Photolysis and photocatalysis of methylene blue by ferrite bismuth nanoparticles under sunlight irradiation

Soltani, Tayyebe; Entezari, Mohammad Hassan

doi:10.1016/j.molcata.2013.05.004

Cited by 244 publications

(92 citation statements)

References 45 publications

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“…From previous research, adsorption at acidic media (pH 2.5 and 3.5) occur in dark (60 min). 33 However, when the pH increased to 6.0, the adsorption and degradation were negligible. The catalyst showed non-adsorption in basic media (8.0, 9.5, 11.0 and 12.0).…”

Section: Effect Of Phmentioning

confidence: 99%

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Visible Light Photocatalytic Activity of BiFeO3 Nanoparticles for Degradation of Methylene Blue

Azmy¹,

Razuki²,

Aziz³

et al. 2017

JPS

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Section: Effect Of Phmentioning

confidence: 99%

“…The catalyst showed non-adsorption in basic media (8.0, 9.5, 11.0 and 12.0). 33 The comparison of the pH results in dark place and under sunlight showed that that BiFeO 3 is best fit to be a photocatalyst and not an adsorbent. …”

Section: Effect Of Phmentioning

confidence: 99%

Visible Light Photocatalytic Activity of BiFeO3 Nanoparticles for Degradation of Methylene Blue

Azmy¹,

Razuki²,

Aziz³

et al. 2017

JPS

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“…However there was no degradation without PCNG or H 2 O 2 (Zhang et al 2013). Furthermore, Fe doped ZnS nanoparticles (Chauhan et al 2013) and ferrite bismuth nanoparticles (Soltani and Entezari 2013) exhibited good photocatalytic activity of MB dye but only under visible light irradiation. CoFe 2 O 4 /activated carbon nanocomposites have shown 99% MB adsorption in 50 min ).…”

Section: Comparison With Other Adsorbents/reductantsmentioning

confidence: 94%

Environmentally benign Fe(III)–montmorillonite for rapid adsorption of methylene blue dye in aqueous medium under ambient conditions

et al. 2017

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Herein we have explored the highly efficient and environmentally benign clay mineral, Fe(III)–montmorillonite [Fe(III)–Mt], for adsorption of methylene blue (MB) dye from aqueous solution under ambient conditions. The Fe(III)–Mt was interacted with MB dye solution at different pH, temperature and solid-to-liquid ratio. The concentration of MB dye removal was estimated from its optical density at λmax = 665 nm using UV–Vis spectrophotometer. The MB dye removal was rapid at basic pH and increases with temperature up to 40 °C. A complete reduction (100%) was occurred in about 7 min at pH 7 and 10 while at pH 3 in about 10 min. The time taken for complete reduction at 0, 30 and 40 °C are 10, 7 and 5 min respectively. The removal followed by adsorption of dye molecules on the spent clay mineral was evident from FESEM/EDX analysis. More importantly, Fe(III)–Mt could be separated and retrieved easily after the reaction by centrifugation from the degraded MB dye solution. The experimental results of MB dye removal from Fe(III)–Mt follows the pseudo first order kinetics. This study reveals that Fe(III)–Mt has the potential to be used as reductant/adsorbant to remove cationic pollutants effectively and rapidly from drinking water and large scale of industrial wastewater.

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“…Most of the dyes have been reported to be a problematic pollutant because they are non-degradable and harmful to humans, animals, and plants. Methylene blue (MB) is one of the most common dyes used in the industry, which is difficult to treat under conventional methods [1]. There are several new methods for removing dyes such as chemical and biological oxidation, adsorption, electrochemical, and membrane separation [2].…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic, sonocatalytic, and photosonocatalytic of Fe3O4/CuO/ZnO nanocomposites with addition of 2 different types of carbon

Tju¹,

Taufik²,

Saleh³

2017

AIP Conference Proceedings

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Photolysis and photocatalysis of methylene blue by ferrite bismuth nanoparticles under sunlight irradiation

Cited by 244 publications

References 45 publications

Visible Light Photocatalytic Activity of BiFeO3 Nanoparticles for Degradation of Methylene Blue

Visible Light Photocatalytic Activity of BiFeO3 Nanoparticles for Degradation of Methylene Blue

Environmentally benign Fe(III)–montmorillonite for rapid adsorption of methylene blue dye in aqueous medium under ambient conditions

Photocatalytic, sonocatalytic, and photosonocatalytic of Fe3O4/CuO/ZnO nanocomposites with addition of 2 different types of carbon

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